BigBattery ETHOS 61.4kWh + 2x EG4 18kPV Hybrid Inverter (ESS) | Grid-Tied Home Solar System
Power your entire estate with the BigBattery 48V 61.4kWh ETHOS System, the ultimate energy storage solution for large homes, multi-room residences, and luxury properties. This system delivers 61.4kWh of reliable LiFePO₄ storage paired with two powerful 12kW EG4 18kPV Hybrid Inverters, ideal for grid-tied solar, whole-home backup, and long-term utility savings.
The ETHOS system is engineered with Tier 1 lithium iron phosphate cells in a stackable, modular architecture for scalable capacity and effortless installation. With its IP65-rated outdoor-ready casing, internal fire suppression, and auto-balancing BMS, it offers unmatched safety, durability, and peace of mind—even in extreme conditions.
Each ETHOS Control Box includes an interactive LED interface for real-time monitoring and diagnostics. RS485 and CANBus communication ensures you stay connected to your system’s health and status at all times.
The system also includes two EG4 18kPV Hybrid Inverters, each with a touchscreen LCD, three MPPTs, smart load control, AC coupling, and integrated UPS modules. Together, they support up to 36kW of solar input, helping you reduce utility bills, stabilize power, and participate in net metering and solar incentives.
Key Features:
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Battery Capacity: 61.4kWh (12 × 5.12kWh ETHOS Modules)
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System Voltage: 48V
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Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)
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Inverter: 2 × 12kW EG4 18kPV Hybrid Inverters (36kW PV Input, 6 MPPTs Combined)
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BMS: Advanced cell balancing, thermal protection, fire suppression
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Enclosure: IP65-rated, stackable, outdoor-rated, maintenance-free
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Cold Weather Ready: Built to operate year-round in any climate
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Monitoring: Real-time LED system display + inverter touchscreen interface
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Scalability: Expandable up to 80kWh per control box, with scalable inverter capacity
Perfect For:
- Multi-room & multi-level family homes
- Whole-home solar energy systems
- Cabins, homesteads, and off-grid estates
- Emergency & grid-backup power
- Energy cost savings through net metering
- Replacing lead-acid with long-lasting lithium
What’s Included:
- 12 × 48V ETHOS 5.12kWh Stackable Battery Modules – FETHS-48051-G1
- 2 × ETHOS Control Boxes – CNT060
- 2 × ETHOS Rack Bases – CNT081
- 4 × ETHOS Parallel Power Cables (4.9 ft) – CBL089
- 2 × ETHOS Parallel Communication Cables (4.9 ft) – CBL096
- 2 × EG4 18kPV Hybrid Inverters – INV024
- 1 × Parallel Busbar – CNT015
